没分了还请大家帮帮忙！谢谢！

[snowvan]

我想给datagridview绑定出来的第3列每一个单元格的数据前都加上一个checkbox控件该怎么实现？

[king19840811]

using System;
using System.Windows.Forms;

public class CalendarColumn : DataGridViewColumn
{
public CalendarColumn()
: base(new CalendarCell())
{
}

public override DataGridViewCell CellTemplate
{
get
{
return base.CellTemplate;
}
set
{
// Ensure that the cell used for the template is a CalendarCell.
if (value != null &&
!value.GetType().IsAssignableFrom(typeof(CalendarCell)))
{
throw new InvalidCastException("Must be a CalendarCell");
}
base.CellTemplate = value;
}
}
}

public class CalendarCell : DataGridViewTextBoxCell
{

public CalendarCell()
: base()
{
// Use the short date format.
this.Style.Format = "d";
}

public override void InitializeEditingControl(int rowIndex, object
initialFormattedValue, DataGridViewCellStyle dataGridViewCellStyle)
{
// Set the value of the editing control to the current cell value.
base.InitializeEditingControl(rowIndex, initialFormattedValue,
dataGridViewCellStyle);
CalendarEditingControl ctl =
DataGridView.EditingControl as CalendarEditingControl;
ctl.Value = (DateTime)this.Value;
}

public override Type EditType
{
get
{
// Return the type of the editing contol that CalendarCell uses.
return typeof(CalendarEditingControl);
}
}

public override Type ValueType
{
get
{
// Return the type of the value that CalendarCell contains.
return typeof(DateTime);
}
}

public override object DefaultNewRowValue
{
get
{
// Use the current date and time as the default value.
return DateTime.Now;
}
}
}

class CalendarEditingControl : DateTimePicker, IDataGridViewEditingControl
{
DataGridView dataGridView;
private bool valueChanged = false;
int rowIndex;

public CalendarEditingControl()
{
this.Format = DateTimePickerFormat.Short;
}

// Implements the IDataGridViewEditingControl.EditingControlFormattedValue
// property.
public object EditingControlFormattedValue
{
get
{
return this.Value.ToShortDateString();
}
set
{
String newValue = value as String;
if (newValue != null)
{
this.Value = DateTime.Parse(newValue);
}
}
}

// Implements the
// IDataGridViewEditingControl.GetEditingControlFormattedValue method.
public object GetEditingControlFormattedValue(
DataGridViewDataErrorContexts context)
{
return EditingControlFormattedValue;
}

// Implements the
// IDataGridViewEditingControl.ApplyCellStyleToEditingControl method.
public void ApplyCellStyleToEditingControl(
DataGridViewCellStyle dataGridViewCellStyle)
{
this.Font = dataGridViewCellStyle.Font;
this.CalendarForeColor = dataGridViewCellStyle.ForeColor;
this.CalendarMonthBackground = dataGridViewCellStyle.BackColor;
}

// Implements the IDataGridViewEditingControl.EditingControlRowIndex
// property.
public int EditingControlRowIndex
{
get
{
return rowIndex;
}
set
{
rowIndex = value;
}
}

// Implements the IDataGridViewEditingControl.EditingControlWantsInputKey
// method.
public bool EditingControlWantsInputKey(
Keys key, bool dataGridViewWantsInputKey)
{
// Let the DateTimePicker handle the keys listed.
switch (key & Keys.KeyCode)
{
case Keys.Left:
case Keys.Up:
case Keys.Down:
case Keys.Right:
case Keys.Home:
case Keys.End:
case Keys.PageDown:
case Keys.PageUp:
return true;
default:
return false;
}
}

// Implements the IDataGridViewEditingControl.PrepareEditingControlForEdit
// method.
public void PrepareEditingControlForEdit(bool selectAll)
{
// No preparation needs to be done.
}

// Implements the IDataGridViewEditingControl
// .RepositionEditingControlOnValueChange property.
public bool RepositionEditingControlOnValueChange
{
get
{
return false;
}
}

// Implements the IDataGridViewEditingControl
// .EditingControlDataGridView property.
public DataGridView EditingControlDataGridView
{
get
{
return dataGridView;
}
set
{
dataGridView = value;
}
}

// Implements the IDataGridViewEditingControl
// .EditingControlValueChanged property.
public bool EditingControlValueChanged
{
get
{
return valueChanged;
}
set
{
valueChanged = value;
}
}

// Implements the IDataGridViewEditingControl
// .EditingPanelCursor property.
public Cursor EditingPanelCursor
{
get
{
return base.Cursor;
}
}

protected override void OnValueChanged(EventArgs eventargs)
{
// Notify the DataGridView that the contents of the cell
// have changed.
valueChanged = true;
this.EditingControlDataGridView.NotifyCurrentCellDirty(true);
base.OnValueChanged(eventargs);
}
}

public class Form1 : Form
{
private DataGridView dataGridView1 = new DataGridView();

[STAThreadAttribute()]
public static void Main()
{
Application.Run(new Form1());
}

public Form1()
{
this.dataGridView1.Dock = DockStyle.Fill;
this.Controls.Add(this.dataGridView1);
this.Load += new EventHandler(Form1_Load);
this.Text = "DataGridView calendar column demo";
}

private void Form1_Load(object sender, EventArgs e)
{
CalendarColumn col = new CalendarColumn();
this.dataGridView1.Columns.Add(col);
this.dataGridView1.RowCount = 5;
foreach (DataGridViewRow row in this.dataGridView1.Rows)
{
row.Cells[0].Value = DateTime.Now;
}
}
}

这是在MSdN找的一个例子。希望对你有帮助

[king19840811]

columns里面找到哪一列里面有一个columnType属性选择为就行了DataGridViewCheckBoxColumn

[ldfqq]

不好意思，刚才看错了，以为是WebForm
WinForm中DataGridView控件是CS架构中用的比较频繁的一个控件，里面提供了CheckBox列的功能，
一、如果你只想DataGridView控件添加CheckBox列而不包含数据的话很简单，有两种方法：
1.设置属性：
将DataGridView列的ColumnType属性设置成DataGridViewCheckBoxColumn
2.动态添加：（参考http://msdn.microsoft.com/zh-cn/library/system.windows.forms.datagridviewcheckboxcolumn(VS.80).aspx）
private void AddOutOfOfficeColumn()
{
DataGridViewCheckBoxColumn column = new DataGridViewCheckBoxColumn();
{
//column.HeaderText = ColumnName.OutOfOffice.ToString();
//column.Name = ColumnName.OutOfOffice.ToString();
column.AutoSizeMode =
DataGridViewAutoSizeColumnMode.DisplayedCells;
column.FlatStyle = FlatStyle.Standard;
column.ThreeState = true;
column.CellTemplate = new DataGridViewCheckBoxCell(true);
column.CellTemplate.Style.BackColor = Color.Beige;
}
dataGridView1.Columns.Insert(0, column);
}
二、如果在CheckBox后面还包含数据，需要自定义了，会用到以下的几个类：
从DataGridViewColumn继承一个新的列类型
从DataGridViewCell继承一个新的单元类型
可以参考下面的例子（DataGridView控件页眉添加一个CheckBox控件）
http://www.codeproject.com/KB/grid/CheckBoxHeaderCell.aspx

[ldfqq]

参考一下这个：如何在一个DataGridView中的一列添加DateTimePicker控件
http://topic.csdn.net/u/20070115/15/e6cb896a-8f4b-43f8-9733-ab6c480ed656.html